/Engine/Source/Runtime/Core/Public/Internationalization/TextNamespaceUtil.h
Given an archive, try and get the package namespace it should use for localization.
The package namespace, or an empty string if the archive has no package namespace set.
namespace TextNamespaceUtil { [FString](API\Runtime\Core\Containers\FString) TextNamespaceUtil::GetPackageNamespace ( [FArchive](API\Runtime\Core\Serialization\FArchive) & InArchive ) }